Re: [math-fun] 3-dimensional rhombus

This thing turns up in 3-D analogues of the Penrose tiling, see e.g. the Drexel Math Forum discussion by Joshua Socolar at http://mathforum.org/kb/message.jspa?messageID=1072693&tstart=30 where it is styled "rhombohedron" --- but that term might equally well refer to other bodies, such as the (Archimedian) rhombic dodecahedron. Perhaps "rhombic hexahedron" is sufficiently specific? Fred Lunnon On 7/9/06, Russ Cox <rsc@swtch.com> wrote:

complete the analogy:

square : rhombus :: cube : ____ ?

is there a word for such a thing?

russ

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